Cromyatractus is a genus of radiolarians in the order Spumellaria.
References
Campbell, A. S. (1954). Radiolaria. Treatise on Invertebrate Paleontology. R. C. Moore. Lawrence, Kansas, USA, Geological Society of America and University of Kansas Press. Part. D, Protista 3: 11-195.
External links
Cromyatractus at geologie.mnhn.fr